If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

How can you make number one disappear by adding something to it?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

Replace the question mark with the correct number below.

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?